精英有氧耐力表现:它真的与乳酸值有关吗?与峰值氧气摄入量相对表达?
Jan Michael Johansen1, Eva Maria Støa1, Arnstein Sunde1
1Department of Sports, Physical Education and Outdoor Studies, University of Southeastern Norway, Bø, Norway.
International journal of sports physiology and performance
|April 16, 2025
概括
乳酸值百分比 (LT%) 并不是不同级别的运动员有氧耐力表现的关键决定因素. 氧气吸收峰值 (VO2峰值) 仍然是耐力运动员有氧表现的主要预测因素.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 耐力运动是一种耐力运动.
背景情况:
- 乳酸值 (LT) 和氧气吸收峰值 (VO2峰值) 是有氧耐力运动中的关键生理标志物.
- 了解LT和VO2峰值之间的关系对于优化训练和预测绩效至关重要.
研究的目的:
- 为了研究乳酸值百分比 (LT%) 和有氧耐力表现之间的关系.
- 为了比较耐力运动员在不同表现水平 (精英,国家,地区) 的LT%.
- 为了确定有氧耐力表现的LT%和VO2峰值的预测值.
主要方法:
- 292名有氧耐力运动员 (跑步者,骑自行车者,滑雪者) 被分为精英,国家和区域性能水平.
- 同一天进行了标准化测试,以测量VO2峰值和LT.
- 数据分析在各绩效组中比较了LT%和VO2峰值,包括性别特定的分析.
主要成果:
- 精英,国家和地区运动员之间的LT%并没有显著差异 (约79-80%).
- 与国家和地区运动员相比,精英运动员的VO2峰值显著更高 (P < .01).
- 这些发现对男性和女性运动员都适用,表达为mL·kg-1·min-1.
结论:
- 在多元化的耐力运动员群体中,LT%不是有氧耐力表现的主要决定因素.
- 证实VO2峰值是有氧耐力表现的重要预测因素.
- 耐力运动中的表现水平与VO2峰值比LT%更密切相关.
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